HP 39g Graphing Calculator User Manual
Page 38
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Fraction
calculations
Converting
decimals to
fractions
When entering fractions:
•
You use the (T] key to separate the numerator part and
the denominator part of the fraction.
•
To enter a mixed fraction, for example, 1 ’/
2
. you enter it
in the format (I+V
2
).
For example, to perform the following calculation:
3(2^/4 + 5’/g)
1. Set the mode Number format to fraction.
|SHiFT|AfOP£.;
s
KMS Select
Fraction
I
ENTER
I [►14 ES
HOME MDDES
«NSLE MEftsuRE: Radians
NUMEER FDRMST:
Fract ion
DECIMflL MRRK:
Dot < . )
ENTER EECIMftl PLftCES TD USE
2. Return to HOME and enter the calculation.
30Q0203
04QJS0507
08QQ]
3. Evaluate the calculation.
3* i 2+3/4+<5+7-^8>)
207/8
BUH
To convert a decimal value to a fraction:
1. Set the number mode to Fraction.
2. Either retrieve the value from the History, or enter the
value on the command line.
3. Press
fENTERl
to convert the number to a fraction.
1-26
Getting started